WO1992012211A1 - Bande adhesive double face, structure stratifiee de ladite bande, bande adhesive, et procede d'utilisation desdites bandes - Google Patents

Bande adhesive double face, structure stratifiee de ladite bande, bande adhesive, et procede d'utilisation desdites bandes Download PDF

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Publication number
WO1992012211A1
WO1992012211A1 PCT/JP1992/000010 JP9200010W WO9212211A1 WO 1992012211 A1 WO1992012211 A1 WO 1992012211A1 JP 9200010 W JP9200010 W JP 9200010W WO 9212211 A1 WO9212211 A1 WO 9212211A1
Authority
WO
WIPO (PCT)
Prior art keywords
pressure
sensitive adhesive
adhesive layer
tape
double
Prior art date
Application number
PCT/JP1992/000010
Other languages
English (en)
Japanese (ja)
Inventor
Masaaki Arakawa
Naomitsu Tanaka
Teiji Sakashita
Original Assignee
Nitto Denko Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from JP3271328A external-priority patent/JP2535686B2/ja
Priority claimed from JP3-359235A external-priority patent/JP3001702B2/ja
Application filed by Nitto Denko Corporation filed Critical Nitto Denko Corporation
Priority to EP92902741A priority Critical patent/EP0519086B1/fr
Priority to US07/927,666 priority patent/US5372865A/en
Priority to DE1992619210 priority patent/DE69219210T2/de
Publication of WO1992012211A1 publication Critical patent/WO1992012211A1/fr
Priority to KR1019920702155A priority patent/KR100216693B1/ko
Priority to KR1019997001054A priority patent/KR100216936B1/ko

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Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F13/00—Bandages or dressings; Absorbent pads
    • A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
    • A61F13/56—Supporting or fastening means
    • A61F13/58—Adhesive tab fastener elements
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00—Adhesives in the form of films or foils
    • C09J7/20—Adhesives in the form of films or foils characterised by their carriers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/14—Layer or component removable to expose adhesive
    • Y10T428/1462—Polymer derived from material having at least one acrylic or alkacrylic group or the nitrile or amide derivative thereof [e.g., acrylamide, acrylate ester, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/2419—Fold at edge
    • Y10T428/24215—Acute or reverse fold of exterior component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24777—Edge feature
    • Y10T428/24793—Comprising discontinuous or differential impregnation or bond
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2809—Web or sheet containing structurally defined element or component and having an adhesive outermost layer including irradiated or wave energy treated component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2813—Heat or solvent activated or sealable
    • Y10T428/2817—Heat sealable
    • Y10T428/2826—Synthetic resin or polymer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2848—Three or more layers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852—Adhesive compositions
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/28—Web or sheet containing structurally defined element or component and having an adhesive outermost layer
    • Y10T428/2852—Adhesive compositions
    • Y10T428/2857—Adhesive compositions including metal or compound thereof or natural rubber
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/31504—Composite [nonstructural laminate]
    • Y10T428/31652—Of asbestos
    • Y10T428/31663—As siloxane, silicone or silane

Definitions

  • Double-sided adhesive tape This laminated structure, adhesive tape and how to use them
  • the first aspect of the present invention relates to a double-sided pressure-sensitive adhesive tape that does not require a paper sheet, and to a double-sided pressure-sensitive adhesive tape that can be easily detached and attached even after the adhesives adhere to each other.
  • This tape is suitably used for fixing absorbent articles such as paper napkins and napkins.
  • the second aspect of the present invention relates to, for example, an adhesive tape used as a fastener tape or the like for fixing a front part to a rear part in a disposable ohmu.
  • a double-sided pressure-sensitive adhesive tape that does not use a release paper (separator)
  • a tape in which an acryl-based pressure-sensitive adhesive is applied to one side of a support and a rubber-based pressure-sensitive adhesive is applied to the other side is known.
  • the adherends to which the adhesive is applied are limited, and when laminated, the elasticity of the adhesives is uniquely determined by the elastic modulus of the adhesive, and cannot be changed.
  • the system-based pressure-sensitive adhesive has drawbacks such that it cannot be used for articles used for a long time because of its poor preservability.
  • an acryl resin having a carboxyl group in the side chain is partially bridged with isocyanate on one side of the support. It is known that a cross-linked adhesive is applied, and the other surface is coated with an adhesive obtained by partially cross-linking an acryl resin having a hydroxyl group in a side chain with a melamine resin (for example, see Japanese Patent Application Laid-Open No. 54-10 / 19). No. 8 833 Publication).
  • the main component of the pressure-sensitive adhesive is limited to acryl resin, the adherend is naturally limited, resulting in poor adhesion to the adherend such as polyolefin.
  • the first object of the present invention is to solve such a problem, and by using a pressure-sensitive adhesive layer of a specific composition on one side, it is not necessary to use a release paper, and tapes are laminated.
  • An object of the present invention is to provide a double-sided pressure-sensitive adhesive tape that can be easily detached and attached between the pressure-sensitive adhesive layers even when it is performed. .
  • an adhesive tape used for a fastener tape for fixing a front part to a back part in a disposable ommut for example, as shown in FIGS.
  • the part i Ia and the other end part 11b are folded back so as to overlap with each other, and the first adhesive layer 12 is provided on the inner surface of the one end part 11a of the tape base 11 while the first adhesive layer 12 is provided.
  • a hybrid layer 13 for the first pressure-sensitive adhesive layer 12 is provided, and further on the outer surface of the portion 11 b near the other end of the tape base material 11.
  • a pressure-sensitive adhesive tape 10 provided with a second pressure-sensitive adhesive layer 14 is known (Japanese Utility Model Laid-Open No. 61-94536).
  • the binding tape 10 is attached to the inner surface of the rear part 5A1 of the ommut 5A via the second adhesive layer 14 in advance, and the ommut 58 is applied to the infant / infant.
  • Pate-. Tape base village 1 One side near end 1 1a of 1 1 was pulled off from the other side near side 1 lb, and this one side near side 1 la was provided on the front part 5 A 2 of Omutsu 5A. Attach to the center tape 5A3 so that the rear 5A1 of the 5mm is fixed to the front 5A2. It was.
  • the tape substrate 11 itself functions as a release tape for the first adhesive layer 12, and there is no need to separately provide a release tape to protect the first adhesive layer 12. Therefore, there is an advantage that the manufacturing process can be simplified and the cost can be reduced.
  • the first pressure-sensitive adhesive layer 12 can be provided only on the inner surface of the portion 11a near the one end of the tape base material 11, and the tape base material for the center tape 5A3 can be provided.
  • the fixing strength of the ommut 5A to the predecessor 5A2 is low, and as a result, the length of the tape base 11 is extended to the tape base 11 by the movement of the infant or infant wearing the omut 5A.
  • the tape base 11 is displaced and moved as shown by a dashed line in FIG. 2 and not only looses 5A but also tape base 11
  • the other end of the skin contacted the skin 5 B of infants and babies, causing redness and rash on the skin 5 B of infants and babies.
  • a second object of the present invention is to provide a pressure-sensitive adhesive tape capable of significantly improving the fixing strength without increasing the area of the tape base.
  • the first aspect of the present invention is that, on one side of the base material, 0.01 to 30 parts by weight of a silicone-based pressure-sensitive adhesive composition per 100 parts by weight of an acrylic or rubber-based pressure-sensitive adhesive composition.
  • a double-sided pressure-sensitive adhesive tape having a first pressure-sensitive adhesive layer containing a polymer, and an acryl-based or rubber-based pressure-sensitive adhesive layer provided on the other surface as a second pressure-sensitive adhesive layer.
  • one tape base material is folded back in a stacked state, and a second pressure-sensitive adhesive layer is provided on one surface of the overlapping both surfaces of the tape base material, and the other is provided on the other surface.
  • the first pressure-sensitive adhesive layer is formed of pressure-sensitive adhesives having different compositions so that the second pressure-sensitive adhesive layer and the first pressure-sensitive adhesive layer are releasably adhered to each other, and
  • An adhesive tape characterized in that a third glue layer is provided at an appropriate site other than both sides is provided.
  • FIG. 1 is a sectional view showing an example of the double-sided pressure-sensitive adhesive tape of the present invention.
  • FIG. 2 is a sectional view showing an example of a pond of the double-sided adhesive tape of the present invention.
  • FIG. 3 is a cross-sectional view showing another example of the double-sided pressure-sensitive adhesive tape of the present invention.
  • FIG. 4 is a cross-sectional view showing another example of the double-sided pressure-sensitive adhesive tape of the present invention.
  • FIG. 5 is an explanatory view showing an example in which the double-sided pressure-sensitive adhesive tape of the present invention is used for a fastener portion of paper mummies.
  • FIG. 6 is an explanatory view showing an example in which the double-sided pressure-sensitive adhesive tape of the present invention is used for a fastener portion of paper mummies.
  • FIG. 7 is an explanatory diagram showing an example in which the double-sided adhesive tape of the present invention is used for a napkin.
  • FIG. 8 is an explanatory ⁇ showing an example in which housing a napkin shown in FIG. 7 in the storage bag c
  • FIG. 9 is an explanatory view showing a state where the double-sided pressure-sensitive adhesive tape of the present invention is wound in a roll shape.
  • FIG. 10 is an explanatory diagram showing another example of the double-sided tape of the present invention.
  • FIG. 11 is an explanatory view showing another example of the double-sided pressure-sensitive adhesive tape of the present invention.
  • FIG. 12 is a perspective view of the pressure-sensitive adhesive tape of the present invention and a wound body thereof.
  • FIG. 13 is an enlarged cross-sectional view of FIG.
  • FIG. 14 is a cross-sectional view taken along the line BI-HI of FIG. 20 when the adhesive tapes of FIGS. 12 and 13 are used.
  • FIG. 15 is a diagram showing another embodiment of the adhesive tape of the present invention.
  • FIG. 16 is a diagram showing a modification of FIG.
  • FIG. 17 is a view showing another embodiment of the pressure-sensitive adhesive tape of the present invention.
  • FIG. 18 is a diagram showing a use state of the adhesive tape of FIG.
  • FIG. 19 is a view showing another embodiment of the pressure-sensitive adhesive tape of the present invention.
  • FIG. 20 is a perspective view of the ammu.
  • FIG. 21 is a cross-sectional view taken along line XX of FIG.
  • FIG. 22 is a sectional view taken along the line XI-XI of FIG.
  • FIG. 1 is a cross-sectional view showing an example of a double-sided pressure-sensitive adhesive tape A of the present invention, in which a first pressure-sensitive adhesive layer 2 is provided on one side of a base material 1 and a second pressure-sensitive adhesive layer 3 is provided on the other side. I have.
  • the first pressure-sensitive adhesive layer is a pressure-sensitive adhesive layer obtained by mixing 0.01 to 30 parts by weight of a silicone polymer with respect to 100 parts by weight of the acrylic or rubber-based pressure-sensitive adhesive composition. is there.
  • the acryl-based polymer constituting the acryl-based pressure-sensitive adhesive composition which is a main component of the first pressure-sensitive adhesive layer, is not particularly limited, and any conventionally known polymer can be used as it is.
  • any conventionally known polymer can be used as it is.
  • unsaturated carboxylic acids copolymerizable with the above-mentioned esters Such as styrene, vinyl acetate, acrylonitrile, and other modifying monomers such as styrene, vinyl acetate, and acrylonitrile.One or a mixture of two or more of these can be selected and used appropriately. I can do it. .
  • the rubber-based polymer constituting the rubber-based pressure-sensitive adhesive composition is not particularly limited.
  • natural rubber styrene-isoprene-styrene block copolymer, styrene-butadiene-styrene copolymer, styrene- Tylene-butadiene-styrene copolymer and the like can be mentioned, and one or a mixture of two or more thereof can be appropriately selected and used.
  • silicone-based polymer blended with the main component examples include polydimethylsiloxane, polyorganosiloxane, and a modified product of these.
  • the silicone polymer is usually used as the main component, and silicone resin is appropriately added as a release control agent. You can also.
  • the mixing amount of the silicone-based polymer is 0.01 to 30 parts by weight, preferably 0.5 to 10 parts by weight, based on 100 parts by weight of the acrylic or rubber-based pressure-sensitive adhesive composition. is there. If the amount is less than 0.01 part by weight, the effect of desorption with the second pressure-sensitive adhesive layer described below cannot be obtained, and if the amount is more than 30 parts by weight, the adhesiveness and the retention are inferior. .
  • the silicone bleeds over time on the surface of the sail adhesive layer to form a silicone coating. Since the silicone coating has viscoelasticity, it has an adhesive force. .
  • the second pressure-sensitive adhesive layer is not particularly limited, and the acryl-based rubber-based pressure-sensitive adhesive composition, which is a normal pressure-sensitive adhesive, can be used.
  • FIG. 2 is a cross-sectional view showing another example of the double-sided pressure-sensitive adhesive tape of the present invention, which is a composite double-sided pressure-sensitive adhesive tape formed by laminating two double-sided pressure-sensitive adhesive tapes of FIG.
  • the second pressure-sensitive adhesive layer 3 of the double-sided pressure-sensitive adhesive tape A and the first pressure-sensitive adhesive layer 2 of the other double-sided pressure-sensitive adhesive tape B are laminated to face each other so as to be able to communicate with each other.
  • two or more double-sided adhesive tapes having different adhesive compositions can be stacked to form a composite double-sided adhesive tape.
  • FIG. 3 is a cross-sectional view showing another example of the double-sided pressure-sensitive adhesive tape of the present invention, in which a first pressure-sensitive adhesive layer 2 is formed on one side of one side of a substrate 1, and a second pressure-sensitive adhesive layer 3a is formed on the remaining portion. ,, And the corresponding second side of the second adhesive layer 3 b And a first pressure-sensitive adhesive layer 2.
  • FIG. 4 is a cross-sectional view showing another example of the double-sided pressure-sensitive adhesive tape of the present invention, in which a first pressure-sensitive adhesive layer 2 is provided on one side of one surface of a base material 1, and a second pressure-sensitive adhesive layer is 3a has a second pressure-sensitive adhesive layer 3b formed at a portion on the other side facing the first pressure-sensitive adhesive layer 2.
  • the second pressure-sensitive adhesive layers 3a and 3b may be the same or different in pressure-sensitive adhesive.
  • FIG. 5 and FIG. 6 are explanatory views showing examples in which the double-sided adhesive tape A of FIG. 2 is used as a paper tape release tape.
  • the second adhesive layer of the double-sided adhesive tape A is shown in FIG.
  • Adhesive 3 is fixed to the inner surface of the back of the paper 4 and ordinary adhesive tape C is fixed to the outer surface as a fastener tape.
  • the adhesive layer 5 of this adhesive tape and The first pressure-sensitive adhesive layer 2 of the double-sided pressure-sensitive adhesive tape A is bonded so as to be separable between the layers. Then, at the time of inviting.
  • the adhesive tape C is covered between the adhesive layers, and the adhesive tape is adhered and fixed to the front part of the paper pad 4, so that the pad can be mounted.
  • FIG. 7 is an explanatory view showing an example in which the double-sided adhesive tape A of FIG. 1 is provided on the back side of the napkin 6, and as shown in FIG. 8, this is folded and stored in a plastic bag 7 of polyethylene or the like. be able to.
  • FIG. 9 is an explanatory view showing a state in which the double-sided pressure-sensitive adhesive tape A of the present invention is wound in a roll shape. Since the first pressure-sensitive adhesive layer 2 and the second pressure-sensitive adhesive layer 3 have different compositions, Composite desorption can be easily performed between the layers of the agent layer, and therefore, no composite paper is required.
  • the edge portion of the base material 1 is a so-called dry edge portion 8 in which at least one opposing adhesive layer is not provided. Thereby, separation between the pressure-sensitive adhesive layers can be further facilitated.
  • Example 1
  • This first pressure-sensitive adhesive composition is applied to one surface of a 25 ⁇ m-thick polyethylene terephthalate film, and the other surface is coated with an acryl-based pressure-sensitive adhesive mainly composed of polybutyl acrylate as a second pressure-sensitive adhesive. After drying, a double-sided pressure-sensitive adhesive tape of the present invention was obtained.
  • the resulting double-sided adhesive tape was wound into a roll as shown in Fig. 9 and then rewound. ⁇ ⁇ It could be rewound smoothly without paper, and there was no practical problem.
  • a rubber-based SIS adhesive containing styrene-isoprene-styrene-block copolymer having a styrene content of 14 parts by weight 5 parts by weight of an addition-type silicone polymer (polydimethylsiloxane) was added. Then, 0.3% by weight of a platinum catalyst was added, and the mixture was heated at 130 ° C. for 60 seconds to obtain a first pressure-sensitive adhesive composition.
  • an addition-type silicone polymer polydimethylsiloxane
  • This first adhesive composition was applied to one end of one side of a 150-jum thick polyethylene film as shown in FIG. 4, and styrene-ethylene-butadiene-one was applied to one end of both sides as a second adhesive.
  • a rubber-based pressure-sensitive adhesive made of a styrene block copolymer was applied and dried to obtain a double-sided pressure-sensitive adhesive tape of the present invention.
  • the double-sided adhesive tape thus obtained was attached to a part of a paper fastener, and a 10-person use test was conducted. No loss of urine and little urine leakage I got the answer that it was gone.
  • one tape base is folded back in a double-layered manner, and a second pressure-sensitive adhesive layer is provided on one of two overlapping surfaces of the tape base, and a second adhesive layer is provided on the other.
  • the pressure-sensitive adhesive layer is formed of pressure-sensitive adhesives having different compositions from each other so that the second pressure-sensitive adhesive layer and the first pressure-sensitive adhesive layer are adhered in a scalable manner.
  • the present invention relates to a pressure-sensitive adhesive tape, wherein a third pressure-sensitive adhesive layer is provided at an appropriate position other than on both surfaces.
  • the third pressure-sensitive adhesive layer is pressed against one of the members, and the tape base material is adhered to the one member.
  • the second pressure-sensitive adhesive layer and the first pressure-sensitive adhesive layer are separated.
  • the folded tape base material is turned over in a single sheet, and the exposed second adhesive layer and the first adhesive layer are pressed against the foam member by this turn. Then, the two members can be fixed by attaching the table base material to the pond side.
  • reference numeral 51 denotes an adhesive tape
  • the adhesive tape 51 is linearly fed out of a rolled body 52 obtained by winding a long tape material in a roll shape, and this is a fixed size. They are manufactured by cutting them one by one.
  • the pressure-sensitive adhesive tape 51 includes a tape material 53 formed in a rectangular shape from a sheet-like material such as synthetic resin film paper such as a polypropylene film or cloth. As shown in FIG. 13, this tape base 53 is centered on the middle part along the longitudinal direction so that the part near the one end and the part near the other end along the longitudinal direction almost completely overlap. It is folded back and stacked, and one of the overlapping surfaces 53a and 53b is placed on one surface 53a. A second adhesive layer 54 is provided, and a first adhesive layer 55 is provided on the other surface 53b.
  • the second pressure-sensitive adhesive layer 54 is formed of a pressure-sensitive adhesive composition obtained by mixing 50 parts by weight of a petroleum resin with 50 parts by weight of the SIS block copolymer
  • the pressure-sensitive adhesive layer 55 is formed of a pressure-sensitive adhesive obtained by mixing 2 parts by weight of an additional silicone with 98 parts by weight of the acryl-based pressure-sensitive adhesive composition.
  • a third adhesive layer 56 formed of an adhesive having the same composition as that of the second adhesive layer 54 is formed on the outer surface of the table base 53 near the other end.
  • a release layer 57 for the third pressure-sensitive adhesive layer 56 is provided on the outer surface of the tape base 53 near the one end so that the tape can be unwound from the wound body 52. .
  • a ridge portion 53c to which the second pressure-sensitive adhesive layer 54 is not applied is formed to provide a clue to separation.
  • the adhesive tape 51 of this configuration is used as a zipper tape for the ommut 5A, and the rear portion 5A1 of the ommut 5A is attached to the front portion 5A2.
  • the tape base 53 is attached to the predecessor 5A2 via the second adhesive layer 54.
  • the first pressure-sensitive adhesive layer 55 also adheres to the front part 5A2, and the adhesive area of the tape base material 53 to the center tape 5A3 of the front part 5A2 in the ommut 5A.
  • the tape base 53 is securely prevented from moving along the surface of the center tape 5A3, and the movement of infants and babies can loosen the tape base 5A.
  • the other end of 53 can be reliably prevented from protruding from the side edge of the predecessor 5A2 and touching the skin 5B of an infant or baby.
  • the present inventors compared the shear adhesive strength between the product of the second embodiment of the present invention and the conventional product by the following method.
  • the sample of the present invention is formed by forming the table base material 53 with a non-stretched polypropylene film having a thickness of 100 zm to a width of 25 mm and a length of 40 mm. 54 was added with 50 parts by weight of a petroleum resin to 50 parts by weight of a styrene-isoprene-styrene block copolymer having a styrene content of 14% by weight. 0 / zm, and a length of 10 mm along the longitudinal direction of the table base 53.
  • the first pressure-sensitive adhesive layer 55 is formed by adding an addition-type silicone such as dimethylpolysiloxane containing 10 parts by weight of three-dimensional organopolysiloxane to 98 parts by weight of an acrylic pressure-sensitive adhesive such as polybutyl acrylate.
  • the tape base material 53 was formed to have a thickness of 50 m and a length of 20 mm along the longitudinal direction of the tape base material 53 using an adhesive prepared by mixing 2 parts by weight.
  • the comparative example- was not provided with the first adhesive layer 55 of the present invention, and other configurations were the same as those of the embodiment of the present invention.
  • the product according to the present invention had an average maximum load required for separation of 0 Kg, whereas the conventional product had an average of 3.9 Kg. Proven.
  • a silicone-containing adhesive is used as the first adhesive ⁇ 55
  • the silicone contained in the pressure-sensitive adhesive will bleed over the pressure-sensitive adhesive layer surface over time, but the pressure-sensitive adhesive strength of the second pressure-sensitive adhesive layer 54 will increase. No separation occurred between the second pressure-sensitive adhesive layer 54 and the first pressure-sensitive adhesive layer 55 over time.
  • FIG. 15 shows that the tape base material 53 is partially folded so as to overlap at a portion near one end thereof, and the second adhesive layer 54 and the second adhesive layer 54 are provided on both sides 53 a and 53 b overlapping each other.
  • An adhesive layer 56 is provided.
  • Reference numeral 53 e is a colored portion for making the knob part visually recognizable.
  • the third pressure-sensitive adhesive layer 56 may be extended to the vicinity of the folding center of the tape base material 53 as shown by a dashed line.
  • FIG. 17 shows that both the portion near the one end and the portion near the other end of the tape base material 53 are folded back toward the center of the tape base material 53 so as to face each other.
  • the outer surface 53 f which is located closer to the center of the tape base 53, of the outer surfaces of both overlapping portions, A third adhesive layer 56 is provided on 53 f.
  • both the third pressure-sensitive adhesive layers 56 and 56 may be continuous as shown by a dashed line.
  • the adhesive tape 51 shown in FIG. 17 is adhered to one member 5C via the third adhesive layer 56 as shown in FIG. 18, and the second adhesive tape at the left and right overlapping portion is provided.
  • the adhesive layer 54 and the first pressure-sensitive adhesive layer 55 are separated from each other, and the tape base material 53 is turned over into a single sheet, thereby forming a pair of left and right second and first pressure-sensitive adhesive layers 54, 55.
  • FIG. 19 shows that the tape base material 53 is folded back so that the portion near the one end thereof partially overlaps, and the tape base 53 is formed on both surfaces 53 a and 53 b of the overlapping portion at the portion near the one end.
  • the second pressure-sensitive adhesive layer 54 and the first adhesive layer 55 While providing the second pressure-sensitive adhesive layer 54 and the first adhesive layer 55, a portion near the other end of the tape base material 53 is folded up and down opposite to the folding direction of the portion near the one end,
  • the third pressure-sensitive adhesive layer 56 is provided on one surface 53 g of both inner surfaces of the overlapped portion near the other end, and the first adhesive layer 55 is provided on the other surface 53 h.
  • the combination of the composition of the glue layer that separates the first pressure-sensitive adhesive layer and the second pressure-sensitive adhesive layer from each other is not limited to the above-described embodiment, and various combinations can be adopted. Needless to say.
  • the first double-sided adhesive tape of Honki Maki can be easily detached and attached between the adhesive layers without the adhesives being fixed to each other even when they are overlaid. Therefore, it has an effect that it can be suitably used as a fastening tape such as a napkin or a napkin.
  • a fastening tape such as a napkin or a napkin.
  • the pressure-sensitive adhesive tape according to the second aspect of the present invention since the pressure-sensitive adhesive layers are provided on both sides of the tape base material that overlap with each other, even if the area of the tape base material is the same as that of the conventional tape base material, the tape base material for the other member is The bonding area can be doubled compared to the past.
  • the area of the tape substrate can be doubled without increasing the area of the tape substrate, so that the fixing strength can be significantly increased without increasing the manufacturing cost. This has the effect of improving

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  • Health & Medical Sciences (AREA)
  • Epidemiology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Vascular Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Adhesive Tapes (AREA)
  • Absorbent Articles And Supports Therefor (AREA)

Abstract

L'invention concerne des bandes adhésives dont l'une est une première bande adhésive double face (A, B) pourvue d'une matière de base dont une surface est recouverte d'une première couche adhésive (2) constituée de 100 parties en poids d'une composition adhésive de gomme ou acrylique mélangée avec 0,01 à 30 parties en poids d'un polymère de silicone, et dont l'autre surface est recouverte d'une seconde couche adhésive (3) constituée d'un second adhésif de gomme ou acrylique. Ainsi, on peut obtenir une bande adhésive double face dont les couches peuvent être facilement libérées et séparées l'une de l'autre après avoir été collées l'une à l'autre. Une seconde bande adhésive est composée d'une seconde couche adhésive (54) recouvrant l'une (53a) des deux surfaces intérieures se chevauchant de la matière de base (53) ainsi que d'une première couche adhésive (55) recouvrant l'autre surface intérieure (53b) de façon que les deux couches soient constituées d'adhésifs d'une composition différente pour qu'elles puissent être libérées l'une de l'autre. Ladite seconde bande adhésive comprend également une troisième couche adhésive (56) recouvrant une surface autre que lesdites surfaces de chevauchement de la matière de base (53) de ladite bande adhésive. De cette façon, l'adhérence de la bande adhésive en un point de fixation peut être augmentée sans que l'on ait à agrandir la surface de la matière de base.
PCT/JP1992/000010 1991-01-09 1992-01-09 Bande adhesive double face, structure stratifiee de ladite bande, bande adhesive, et procede d'utilisation desdites bandes WO1992012211A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP92902741A EP0519086B1 (fr) 1991-01-09 1992-01-09 Bande adhesive double face, structure stratifiee de ladite bande, bande adhesive, et procede d'utilisation desdites bandes
US07/927,666 US5372865A (en) 1991-01-09 1992-01-09 Double-sided pressure-sensitive adhesive tape, laminated structure comprising the same, and method of use of same
DE1992619210 DE69219210T2 (de) 1991-01-09 1992-01-09 Doppelseitiges klebeband, laminierte struktur desselben, klebeband und verfahren zur verwendung derselben
KR1019920702155A KR100216693B1 (ko) 1991-01-09 1992-09-07 양면 점착 테이프 및 이를 사용한 화스너 테이프
KR1019997001054A KR100216936B1 (ko) 1991-01-09 1999-02-08 점착테이프

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP3/13006 1991-01-09
JP1300691 1991-01-09
JP3/271328 1991-10-18
JP3271328A JP2535686B2 (ja) 1991-10-18 1991-10-18 粘着テ―プ
JP3-359235A JP3001702B2 (ja) 1991-01-09 1991-12-26 両面粘着テープ、この積層構造体およびこれらの使用方法
JP3/359235 1991-12-26

Publications (1)

Publication Number Publication Date
WO1992012211A1 true WO1992012211A1 (fr) 1992-07-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP1992/000010 WO1992012211A1 (fr) 1991-01-09 1992-01-09 Bande adhesive double face, structure stratifiee de ladite bande, bande adhesive, et procede d'utilisation desdites bandes

Country Status (4)

Country Link
US (1) US5372865A (fr)
EP (1) EP0519086B1 (fr)
DE (1) DE69219210T2 (fr)
WO (1) WO1992012211A1 (fr)

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CN103247233B (zh) * 2013-04-28 2015-09-23 京东方科技集团股份有限公司 柔性基板、显示装置及在柔性基板上贴附电子器件的方法
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Also Published As

Publication number Publication date
EP0519086A1 (fr) 1992-12-23
DE69219210D1 (de) 1997-05-28
US5372865A (en) 1994-12-13
DE69219210T2 (de) 1997-08-07
EP0519086A4 (en) 1993-10-13
EP0519086B1 (fr) 1997-04-23

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